... www.huizheng.netDetailed Description Name:Friction stay, window hinge,friction hinge,window hardware,four bar hinge,hinge,window accessory,window fitting,handleMaterial:SS304# with 8 ... ",20",22",24",26",28",30",32",34",36".Bar thickness:2.0mm,2.5mm,3.0mm.Opening angle:55 - 90 degree. ... Packing:2 pcs in a plastic,100 pcs in a carton. friction stay hinge,window hardware,heavy duty ...